Chapter 7, Lesson 12

Sam's Sports Center gives bowling-team members a 10% discount on bowling balls. During a bowling-ball sale, Sam takes an additional 15% off the discounted price. At the sale, Nikki, a member of the Bowling Beauties, is considering a ball that would cost $120.83 after the discounts.

What was the original cost of the bowling ball that Nikki is considering? Explain your method. (7-12)